Build scalable apps in Azure Cosmos DB for PostgreSQL

APPLIES TO: Azure Cosmos DB for PostgreSQL (powered by the Citus database extension to PostgreSQL)

There are three steps involved in building scalable apps with Azure Cosmos DB for PostgreSQL:

Classify your application workload. There are use-case where Azure Cosmos DB for PostgreSQL shines: Multitenant SaaS, microservices, real-time operational analytics, and high throughput OLTP. Determine whether your app falls into one of these categories.
Based on the workload, use schema-based sharding or identify the optimal shard key for the distributed tables. Classify your tables as reference, distributed, or local.
When using row-based sharding, update the database schema and application queries to make them go fast across nodes.

Next steps

Before you start building a new app, you must first review a little more about the architecture of Azure Cosmos DB for PostgreSQL.

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